<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <div v-if='score>=90'>优秀</div>
        <div v-else-if='score<90&&score>=80'>良好</div>
        <div v-else-if='score<80&&score>=60'>一般</div>
        <div v-else>比较差</div>
    </div>
    <script src="../vue.js">
    </script>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                score: 80
            },
            methods: {

            }
        });
    </script>

</body>

</html>